Sub-Chapter2005200620072008
Pearls, natural or cultured$17,624$1,464$398$196
Diamonds, whether or not worked, but not mounted or set.$754,411,784$978,396,555$805,733,116$900,166,480
Precious stones (other than diamonds) and semi-precious stones$343,802$437,705$388,701$652,136
Synthetic or reconstructed precious or semi-precious stones$236$736$13,150$4,157
Dust and powder of natural or synthetic precious or semi-precious stones.$4,196$109,819$477,515$579,139
Silver (including silver plated with gold or platinum)$157 $4,802 
Base metals clad with silver  $742$1,052
Gold (including gold plated with platinum)$36,049,192$46,214,781$55,139,589$56,677,721
Base metals or silver, clad with gold, not further worked than semi-manufac ...$24,894 $981$2,522
Platinum, unwrought or in semi-manufactured forms, or in powder form.   $36
Base metals, silver or gold, clad with platinum$583 $43$1,226
Articles of jewellery and parts thereof, of precious metal$669,368$817,980$708,700$942,928
Articles of goldsmiths' or silversmiths' wares$7,756$104,045$114,292$112,160
Other articles of precious metal or of metal clad with precious metal.$3,221$201$1,788$11,472
Articles of natural or cultured pearls, precious or semi-precious stones$2,244$11,650$31,223$27,701
Imitation jewellery.$44,659$76,878$61,445$91,098
Coin.$915$605,379  
Total$791,580,631$1,026,777,193$862,676,485$959,270,024